diff --git a/Migrations/Migration20211206112100.php b/Migrations/Migration20211206112100.php
index f209760..54760c7 100644
--- a/Migrations/Migration20211206112100.php
+++ b/Migrations/Migration20211206112100.php
@@ -14,11 +14,9 @@ class Migration20211206112100 extends Migration implements IMigration
 {
     public function up()
     {
-
         $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` DROP INDEX `cOrderId`;');
         $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` DROP INDEX `kBestellung`;');
         $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` ADD UNIQUE( `kBestellung`, `cOrderId`);');
-
     }
 
     public function down()
@@ -26,7 +24,6 @@ public function down()
         $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` DROP INDEX `kBestellung`;');
         $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` ADD UNIQUE(`kBestellung`);');
         $this->execute('ALTER TABLE `xplugin_ws5_mollie_orders` ADD UNIQUE(`cOrderId`);');
-
     }
 
     public function getDescription(): string
diff --git a/lib/Checkout/AbstractCheckout.php b/lib/Checkout/AbstractCheckout.php
index 74f0405..dab7cf5 100644
--- a/lib/Checkout/AbstractCheckout.php
+++ b/lib/Checkout/AbstractCheckout.php
@@ -99,8 +99,8 @@ public function __construct(Bestellung $oBestellung, MollieAPI $api = null)
      * @param string $id
      * @param bool   $test
      *
-     * @throws ServiceNotFoundException
      * @throws CircularReferenceException
+     * @throws ServiceNotFoundException
      * @return void
      *
      */
@@ -279,9 +279,9 @@ public function getAPI(): MollieAPI
     /**
      * @param null|mixed $hash
      *
-     * @throws ServiceNotFoundException
      * @throws Exception
      * @throws CircularReferenceException
+     * @throws ServiceNotFoundException
      * @return void
      *
      */
@@ -388,7 +388,7 @@ public function completlyPaid(): bool
     {
         if (
             $row = Shop::Container()->getDB()->executeQueryPrepared('SELECT SUM(fBetrag) as fBetragSumme FROM tzahlungseingang WHERE kBestellung = :kBestellung', [
-            ':kBestellung' => $this->oBestellung->kBestellung
+                ':kBestellung' => $this->oBestellung->kBestellung
             ], 1)
         ) {
             return (float)$row->fBetragSumme >= ($this->oBestellung->fGesamtsumme * $this->getBestellung()->fWaehrungsFaktor);
@@ -400,8 +400,8 @@ public function completlyPaid(): bool
     /**
      * @param Bestellung $oBestellung
      * @param OrderModel $model
-     * @throws ServiceNotFoundException
      * @throws CircularReferenceException
+     * @throws ServiceNotFoundException
      * @return bool
      */
     public static function makeFetchable(Bestellung $oBestellung, OrderModel $model): bool
@@ -423,8 +423,8 @@ public static function makeFetchable(Bestellung $oBestellung, OrderModel $model)
     /**
      * @param $msg
      * @param int $level
-     * @throws ServiceNotFoundException
      * @throws CircularReferenceException
+     * @throws ServiceNotFoundException
      * @return $this
      */
     public function Log(string $msg, $level = LOGLEVEL_NOTICE)
@@ -445,6 +445,11 @@ public function Log(string $msg, $level = LOGLEVEL_NOTICE)
         return $this;
     }
 
+    /**
+     * @return $this
+     */
+    abstract protected function updateOrderNumber();
+
     /**
      * @param int  $kBestellung
      * @param bool $checkZA
@@ -517,8 +522,9 @@ public static function sendReminders(): void
 
             return;
         }
-
-        $remindables = Shop::Container()->getDB()->executeQueryPrepared("SELECT kId FROM xplugin_ws5_mollie_orders WHERE (dReminder IS NULL OR dReminder = '0000-00-00 00:00:00') AND dCreated > NOW() - INTERVAL 7 DAY AND dCreated < NOW() - INTERVAL :d MINUTE AND cStatus IN ('created','open', 'expired', 'failed', 'canceled')", [
+        // TODO: DOKU
+        ifndef('MOLLIE_REMINDER_LIMIT_DAYS', 7);
+        $remindables = Shop::Container()->getDB()->executeQueryPrepared("SELECT kId FROM xplugin_ws5_mollie_orders WHERE (dReminder IS NULL OR dReminder = '0000-00-00 00:00:00') AND dCreated > NOW() - INTERVAL " . MOLLIE_REMINDER_LIMIT_DAYS . " DAY AND dCreated < NOW() - INTERVAL :d MINUTE AND cStatus IN ('created','open', 'expired', 'failed', 'canceled')", [
             ':d' => $reminder
         ], 2);
         foreach ($remindables as $remindable) {
@@ -780,11 +786,6 @@ public function getDescription(): string
         ], $descTemplate);
     }
 
-    /**
-     * @return $this
-     */
-    abstract protected function updateOrderNumber();
-
     /**
      * @param Order|Payment $model
      * @return $this;